No person, except as provided in § 5-51-12, may use the title "landscape architect" or display or use any words, letters, figures, title, signs, seal, advertisement, or other device to indicate that the person practices or offers to practice landscape architecture or may represent himself or herself as a practitioner of landscape architecture or engages in the practice of landscape architecture in this state, unless that person has first secured a certificate of registration as provided in this chapter.
R.I. Gen. Laws § 5-51-3